CN104485271A - Round flange box type window for space traveling-wave tube and manufacturing method thereof - Google Patents
Round flange box type window for space traveling-wave tube and manufacturing method thereof Download PDFInfo
- Publication number
- CN104485271A CN104485271A CN201410751561.5A CN201410751561A CN104485271A CN 104485271 A CN104485271 A CN 104485271A CN 201410751561 A CN201410751561 A CN 201410751561A CN 104485271 A CN104485271 A CN 104485271A
- Authority
- CN
- China
- Prior art keywords
- window
- flange
- cell type
- wave tube
- type window
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/36—Coupling devices having distributed capacitance and inductance, structurally associated with the tube, for introducing or removing wave energy
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Joining Of Glass To Other Materials (AREA)
Abstract
The invention discloses a round flange box type window for a space traveling-wave tube and a manufacturing method thereof. The box type window comprises a window upper flange, a window lower flange and a sapphire window plate, wherein the sapphire window plate is arranged between the window upper flange and the window lower flange; center holes with the same diameters are formed at the centers of both the window upper flange and the window lower flange; the two center holes are coaxial. The box type window disclosed by the invention selects the sapphire window plate, has excellent performance and realizes excellent transmission performance; a reflected voltage standing-wave ratio in the integral bandwidth is smaller than 1.1; reflection power of the output end of the space traveling-wave tube is reduced; output power is improved; implementation of efficiency of the traveling-wave tube is ensured; the round flange box type window has high practical application value.
Description
Technical field
The present invention relates to vacuum electron device technical field, particularly relate to a kind of space travelling wave tube circular flange cell type window and manufacture method thereof.
Background technology
Space travelling wave tube is the core devices of space interplanetary communication, and the particular/special requirement due to space application makes space travelling wave tube have to improve homogeneous tube efficiency, to save the power supply power consumption in space.It is reported, space travelling wave tube homogeneous tube efficiency improves one percentage point, and whole space loading system energy consumption will obviously decline, and can reduce costs, economic benefit is up to several ten million dollars.Therefore the efficiency improving space travelling wave tube just becomes very important problem.
Ensure that the high efficiency important indicator of space travelling wave tube is that requirement has enough saturation output powers, in travelling wave tube, after electron beam and electromagnetic wave mutual effect, electromagnetic wave signal is amplified, a part of power of amplifying signal consumes because of reflection, another part power is exported by box window, the reflected voltage standing-wave ratio of box window is directly connected to amplifying signal and exports degree, the signal power of reflected voltage standing-wave ratio more high reverse--bias is larger, so just little from the power of box window output, therefore the parameters of box window must be rationally set, reduce its reflected voltage standing-wave ratio, ensure that travelling wave tube has enough power stages.
Because circular flange cell type waveguide mouth size is little, long length of side 3.76mm, broadside 1.88mm, on window, window lower flange coordinate welding time need to ensure upper and lower waveguide mouth precise alignment, otherwise cell type window reflected voltage standing-wave ratio will be improved, thus be unfavorable for the raising of travelling wave tube electronic efficiency.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of space travelling wave tube circular flange cell type window and manufacture method thereof, in order to solve the not high problem of prior art cell type window performance.
For solving the problems of the technologies described above, on the one hand, the invention provides a kind of space travelling wave tube circular flange cell type window, comprising:
Window upper flange, window lower flange and sapphire window; Wherein, sapphire window is arranged between window upper flange and window lower flange, and window upper flange all has the identical centre bore of diameter with the center of window lower flange, and two centre bores are coaxial.
Further, described window upper flange and window lower flange are respectively arranged with location hole in position corresponding up and down, and location hole corresponding is up and down coaxial.
Further, reflected voltage standing-wave ratio ρ≤1.1 of described space travelling wave tube circular flange cell type window.
Further, the vacuum degree of described space travelling wave tube circular flange cell type window is greater than 1 × 10
-9pa.
On the other hand, the present invention also provides a kind of manufacture method of space travelling wave tube circular flange cell type window, comprising:
According to the window upper flange of design, the size of window lower flange, determine the concrete size of cell type window assembling mould, testing mould and shop bolt;
Processing and manufacturing window upper flange, window lower flange; And assembling mould, testing mould and alignment pin;
Window upper flange, window lower flange, sapphire window are respectively charged between upper assembling mould and lower assembling mould, are positioned by shop bolt, and upper and lower assembling mould is fixed; Installation testing mould, by checkout equipment, measures the reflected voltage standing-wave ratio ρ of cell type window, requires ρ≤1.07;
The cell type window assembled, silver-copper brazing alloy silk is placed in the cooperation place between window upper flange and window lower flange, and then put into hydrogen stove, be filled with nitrogen and weld, temperature 780 DEG C rises to 890 DEG C, is incubated 15 seconds;
Vacuum degree measurement is carried out to the cell type window welded, requires that vacuum degree is greater than 1 × 10
-9pa;
After being removed by shop bolt, installation testing mould, matched load, measured again to the cell type window after having been welded by hydrogen stove, rejects the cell type window of reflected voltage standing-wave ratio ρ >1.1.
Further, before installation sapphire window, also comprise:
Mask mode is adopted to carry out metalized sapphire window 3, metallization thickness 5um.
Further, window upper flange, window lower flange are respectively charged into, before lower assembling mould, also comprise:
With hydrochloric acid to window upper flange, window lower flange pickling 2-3 minute post-drying, nickel plating 10um after 850 DEG C of high-temperature degassing.
Further, before window upper flange, window lower flange, sapphire window are respectively charged into upper and lower assembling mould, also comprise:
Utilize ultrasonic wave to the assembling of cell type window mould, the ultrasonic 10-15 minute of testing mould that machine, then dry, place 950 DEG C of annealing in hydrogen atmosphere oxide layer in hydrogen stove.
Beneficial effect of the present invention is as follows:
Cell type window of the present invention selects sapphire window, functional, achieve excellent transmission performance, 1.1 are less than in whole bandwidth internal reflection voltage standing wave ratio, space travelling wave tube output reflection power is reduced, power output is improved, and ensure that the realization of TWT efficiency, has very strong actual application value.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of space travelling wave tube circular flange cell type window in the embodiment of the present invention;
Fig. 2 is a kind of space travelling wave tube circular flange cell type window assembling schematic diagram in the embodiment of the present invention;
Fig. 3 is a kind of space travelling wave tube circular flange cell type window test schematic diagram in the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, do not limit the present invention.
As shown in Figure 1, the space travelling wave tube circular flange cell type window that the embodiment of the present invention relates to, comprising:
Window upper flange 1, window lower flange 2 and sapphire window 3; Wherein, sapphire window 3 is arranged between window upper flange 1 and window lower flange 2, and window upper flange 1 all has the identical centre bore of diameter with the center of window lower flange 2, and two centre bores are coaxial; Window upper flange 1 and window lower flange 2 are respectively arranged with location hole in position corresponding up and down, and location hole corresponding is up and down coaxial.
The space travelling wave tube manufacture method of circular flange cell type window, comprising:
Step S101, according to the window upper flange 1 of design, the size of window lower flange 2, determines the concrete size of cell type window assembling mould, testing mould and shop bolt;
In this step, first according to cell type window reflected voltage standing-wave ratio computing formula, tentatively to determine in cell type window on window, window lower flange diameter of bore, highly, sapphire window diameter, thickness; And then high frequency three dimensional electromagnetic field simulation software MWS (the MICROWAVE STUDIO adopting German CST (Computer Simulation Technology) company to develop, microwave studio), set up cell type window construction model, carry out the analog computation of reflected voltage standing-wave ratio ρ, enter optimal design, finally determine on window, window lower flange diameter of bore, highly, sapphire window diameter, thickness; Finally according to the size of the window upper flange 1 determined, window lower flange 2, determine the concrete size of cell type window assembling mould, testing mould and shop bolt;
Step S102, according to the size determined, processing and manufacturing window upper flange 1, window lower flange 2; And assembling mould 4,5, testing mould 12,13, alignment pin 6,7;
Step S103, adopts mask mode to carry out metalized sapphire window 3, metallization thickness 5um;
Step S104, with hydrochloric acid to window upper flange 1, window lower flange 2 pickling 2-3 minute post-drying, nickel plating 10um after 850 DEG C of high-temperature degassing;
Step S105, utilize ultrasonic wave to the cell type window assembling mould 4 machined, 5, the ultrasonic 10-15 minute of testing mould 12,13, then dry, place 950 DEG C of annealing in hydrogen atmosphere oxide layer in hydrogen stove;
Step S106, window upper flange 1, window lower flange 2, sapphire window 3 are respectively charged between upper assembling mould 4 and lower assembling mould 5, positioned by shop bolt 6,7, the concentricity (as shown in Figure 2) of lower flange waveguide mouth in guarantee, is fixed upper assembling mould 4 and lower assembling mould 5 by upper and lower assembling mould connecting bolt 8,9 and assembling nut 10,11; Lay testing mould 12,13, by checkout equipment, measure cell type window reflected voltage standing-wave ratio ρ, require ρ≤1.07;
Step S107, the cell type window assembled, silver-copper brazing alloy silk is placed in the cooperation place between window upper flange 1, window lower flange 2, and then put into hydrogen stove, be filled with nitrogen and weld, temperature 780 DEG C rises to 890 DEG C, is incubated 15 seconds;
Step S108, carries out vacuum degree measurement to the cell type window welded, requires that vacuum degree is greater than 1 × 10
-9pa;
Step S109, removes shop bolt 6,7, installation testing mould 12,13, matched load 14, testing mould 12 end is connected with measuring equipment can be measured.Cell type window after having been welded by hydrogen stove is measured again, requires reflected voltage standing-wave ratio ρ≤1.1, namely reject the cell type window of reflected voltage standing-wave ratio ρ >1.1.
Cell type window of the present invention selects sapphire window, functional, achieve excellent transmission performance, 1.1 are less than in whole bandwidth internal reflection voltage standing wave ratio, space travelling wave tube output reflection power is reduced, power output is improved, and ensure that the realization of TWT efficiency, has very strong actual application value.
Although be example object, disclose the preferred embodiments of the present invention, it is also possible for those skilled in the art will recognize various improvement, increase and replacement, and therefore, scope of the present invention should be not limited to above-described embodiment.
Claims (8)
1. a space travelling wave tube circular flange cell type window, is characterized in that, comprising:
Window upper flange, window lower flange and sapphire window; Wherein, sapphire window is arranged between window upper flange and window lower flange, and window upper flange all has the identical centre bore of diameter with the center of window lower flange, and two centre bores are coaxial.
2. space travelling wave tube circular flange cell type window as claimed in claim 1, is characterized in that, described window upper flange and window lower flange are respectively arranged with location hole in position corresponding up and down, and location hole corresponding is up and down coaxial.
3. space travelling wave tube circular flange cell type window as claimed in claim 1 or 2, is characterized in that, reflected voltage standing-wave ratio ρ≤1.1 of described space travelling wave tube circular flange cell type window.
4. space travelling wave tube circular flange cell type window as claimed in claim 3, it is characterized in that, the vacuum degree of described space travelling wave tube circular flange cell type window is greater than 1 × 10
-9pa.
5. a space travelling wave tube manufacture method for circular flange cell type window, is characterized in that, comprising:
According to the window upper flange of design, the size of window lower flange, determine the concrete size of cell type window assembling mould, testing mould and shop bolt;
Processing and manufacturing window upper flange, window lower flange; And assembling mould, testing mould and alignment pin;
Window upper flange, window lower flange, sapphire window are respectively charged between upper assembling mould and lower assembling mould, are positioned by shop bolt, and upper and lower assembling mould is fixed; Installation testing mould, by checkout equipment, measures the reflected voltage standing-wave ratio ρ of cell type window, requires ρ≤1.07;
The cell type window assembled, silver-copper brazing alloy silk is placed in the cooperation place between window upper flange and window lower flange, and then put into hydrogen stove, be filled with nitrogen and weld, temperature 780 DEG C rises to 890 DEG C, is incubated 15 seconds;
Vacuum degree measurement is carried out to the cell type window welded, requires that vacuum degree is greater than 1 × 10
-9pa;
After being removed by shop bolt, installation testing mould, matched load, measured again to the cell type window after having been welded by hydrogen stove, rejects the cell type window of reflected voltage standing-wave ratio ρ >1.1.
6. the space travelling wave tube manufacture method of circular flange cell type window as claimed in claim 5, is characterized in that, before installation sapphire window, also comprises:
Mask mode is adopted to carry out metalized sapphire window 3, metallization thickness 5um.
7. the manufacture method of circular flange cell type window of the space travelling wave tube as described in claim 5 or 6, is characterized in that, window upper flange, window lower flange being respectively charged into, before lower assembling mould, also comprises:
With hydrochloric acid to window upper flange, window lower flange pickling 2-3 minute post-drying, nickel plating 10um after 850 DEG C of high-temperature degassing.
8. the space travelling wave tube manufacture method of circular flange cell type window as claimed in claim 7, is characterized in that, before window upper flange, window lower flange, sapphire window are respectively charged into upper and lower assembling mould, also comprise:
Utilize ultrasonic wave to the assembling of cell type window mould, the ultrasonic 10-15 minute of testing mould that machine, then dry, place 950 DEG C of annealing in hydrogen atmosphere oxide layer in hydrogen stove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410751561.5A CN104485271A (en) | 2014-12-10 | 2014-12-10 | Round flange box type window for space traveling-wave tube and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410751561.5A CN104485271A (en) | 2014-12-10 | 2014-12-10 | Round flange box type window for space traveling-wave tube and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104485271A true CN104485271A (en) | 2015-04-01 |
Family
ID=52759808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410751561.5A Pending CN104485271A (en) | 2014-12-10 | 2014-12-10 | Round flange box type window for space traveling-wave tube and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104485271A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111428371A (en) * | 2020-03-28 | 2020-07-17 | 电子科技大学 | Rapid design method for periodic permanent magnet focusing system of traveling wave tube |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3646485A (en) * | 1969-06-23 | 1972-02-29 | Siemens Ag | Traveling-wave tube with a vacuumtight ceramic window |
| CN1389953A (en) * | 2001-06-01 | 2003-01-08 | 电子科技大学 | DC voltage-isolating waveguide |
| CN101110492A (en) * | 2007-08-29 | 2008-01-23 | 中国科学院电子学研究所 | Whirling traveling-wave tube amplifier coupling input structure and its design method |
| CN101770920A (en) * | 2010-03-05 | 2010-07-07 | 安徽华东光电技术研究所 | Millimeter wave band traveling wave tube output window and manufacturing method thereof |
| CN201838688U (en) * | 2009-12-16 | 2011-05-18 | 中国电子科技集团公司第十六研究所 | Microwave low-loss waveguide vacuum window |
| CN102243972A (en) * | 2011-06-16 | 2011-11-16 | 安徽华东光电技术研究所 | Broadband traveling wave tube energy output window and manufacturing method thereof |
| CN102568985A (en) * | 2011-12-30 | 2012-07-11 | 中国电子科技集团公司第十二研究所 | Application of broadband high-power ridge waveguide seal window |
| CN103236390A (en) * | 2013-04-16 | 2013-08-07 | 中国电子科技集团公司第十二研究所 | Diamond energy transmission window for short millimeter wave traveling tubes and manufacturing method of diamond energy transmission window |
| CN103474316A (en) * | 2013-09-06 | 2013-12-25 | 中国电子科技集团公司第十二研究所 | V-waveband traveling-wave tube energy transmission structure and manufacturing method thereof |
| CN103684269A (en) * | 2013-12-16 | 2014-03-26 | 中国电子科技集团公司第四十一研究所 | Broadband-tunable 1mm subharmonic mixer |
| CN203631481U (en) * | 2013-12-18 | 2014-06-04 | 安徽华东光电技术研究所 | Waveguide-box-shaped output window of ultra wideband travelling wave tube |
| CN104465274A (en) * | 2014-12-04 | 2015-03-25 | 电子科技大学 | Novel broadband high-average-power air cooling structure output window |
-
2014
- 2014-12-10 CN CN201410751561.5A patent/CN104485271A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3646485A (en) * | 1969-06-23 | 1972-02-29 | Siemens Ag | Traveling-wave tube with a vacuumtight ceramic window |
| CN1389953A (en) * | 2001-06-01 | 2003-01-08 | 电子科技大学 | DC voltage-isolating waveguide |
| CN101110492A (en) * | 2007-08-29 | 2008-01-23 | 中国科学院电子学研究所 | Whirling traveling-wave tube amplifier coupling input structure and its design method |
| CN201838688U (en) * | 2009-12-16 | 2011-05-18 | 中国电子科技集团公司第十六研究所 | Microwave low-loss waveguide vacuum window |
| CN101770920A (en) * | 2010-03-05 | 2010-07-07 | 安徽华东光电技术研究所 | Millimeter wave band traveling wave tube output window and manufacturing method thereof |
| CN102243972A (en) * | 2011-06-16 | 2011-11-16 | 安徽华东光电技术研究所 | Broadband traveling wave tube energy output window and manufacturing method thereof |
| CN102568985A (en) * | 2011-12-30 | 2012-07-11 | 中国电子科技集团公司第十二研究所 | Application of broadband high-power ridge waveguide seal window |
| CN103236390A (en) * | 2013-04-16 | 2013-08-07 | 中国电子科技集团公司第十二研究所 | Diamond energy transmission window for short millimeter wave traveling tubes and manufacturing method of diamond energy transmission window |
| CN103474316A (en) * | 2013-09-06 | 2013-12-25 | 中国电子科技集团公司第十二研究所 | V-waveband traveling-wave tube energy transmission structure and manufacturing method thereof |
| CN103684269A (en) * | 2013-12-16 | 2014-03-26 | 中国电子科技集团公司第四十一研究所 | Broadband-tunable 1mm subharmonic mixer |
| CN203631481U (en) * | 2013-12-18 | 2014-06-04 | 安徽华东光电技术研究所 | Waveguide-box-shaped output window of ultra wideband travelling wave tube |
| CN104465274A (en) * | 2014-12-04 | 2015-03-25 | 电子科技大学 | Novel broadband high-average-power air cooling structure output window |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111428371A (en) * | 2020-03-28 | 2020-07-17 | 电子科技大学 | Rapid design method for periodic permanent magnet focusing system of traveling wave tube |
| CN111428371B (en) * | 2020-03-28 | 2022-05-03 | 电子科技大学 | Rapid design method for periodic permanent magnet focusing system of traveling wave tube |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107732400B (en) | Millimeter wave broadband ridge probe radial waveguide power distribution/synthesizer | |
| CN105161390B (en) | New meta-materials high-power microwave source | |
| CN107315098B (en) | Coplanar test probe of microwave and preparation method thereof | |
| CN105489975A (en) | Microwave output window and manufacturing method thereof | |
| CN106992798A (en) | Passive cross modulation test method based on gap waveguide near-field coupling | |
| CN104485271A (en) | Round flange box type window for space traveling-wave tube and manufacturing method thereof | |
| CN101026264A (en) | Horn feed | |
| CN202678273U (en) | Millimeter waveband traveling wave tube coaxial output window structure | |
| CN203466160U (en) | Energy delivery window of UWB (Ultra Wide Band) MMW (Millimeter Waves) travelling wave tube | |
| CN101667674A (en) | Double-layer cavity structure for waveguide-probe-waveguide form | |
| CN110275071B (en) | High-sensitivity active electric field probe adopting door-shaped structure | |
| CN201918353U (en) | Energy transmitting window structure for broad band traveling wave pipe | |
| CN105304439A (en) | Design method for broadband coaxial window | |
| CN103474316B (en) | V-waveband traveling-wave tube energy transmission structure and manufacture method thereof | |
| Pierini et al. | Cavity design tools and applications to the TRASCO project | |
| CN103337678B (en) | There is the cross-couplings substrate integral wave guide filter of steep side band characteristic | |
| CN102339711B (en) | Magnetron capable of realizing miniaturization of microwave equipment | |
| Li et al. | A full X-band fully 3-D printed E-plane rectangular-coax-to-waveguide transition | |
| CN209446715U (en) | Based on shelf depreciation high-frequency signal detection device at transformer core and folder ground connection | |
| CN202205694U (en) | Magnetron capable of realizing miniaturization of microwave equipment | |
| CN202984965U (en) | Spiral spot welding fixture | |
| CN109301418A (en) | A kind of wireless signal coupler | |
| CN201533424U (en) | Microwave excitation cavity device | |
| CN101609775A (en) | Large-power broadband millimeter wave gyrotron surface-cooling sapphire output window | |
| CN216525524U (en) | Complementary spiral resonator detection unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150401 |